ArticleJournal of clinical orthopaedics and trauma
Antero-posterior axis of tibia in patient undergoing total knee replacement in Indian population.
Article in Journal of clinical orthopaedics and trauma. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers, 1 of them a synthesis that pooled it.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.
Who cites it
3 citing papers in PubMed, 1 synthesis or guideline pooled it, 4 citations in OpenAlex.
- The original Akagi line is the most reliable: a systematic review of landmarks for rotational alignment of the tibial component in TKA.Knee surgery, sports traumatology, arthroscopy : official journal of the ESSKA · 2019Pooled it
- Femoral matched tibia component rotation has little effect on the tibial torsion after total knee arthroplasty.Knee surgery, sports traumatology, arthroscopy : official journal of the ESSKA · 2022Article
- The medial tangent of the proximal tibia is a suitable extra-articular landmark in determining the tibial anteroposterior axis.BMC musculoskeletal disorders · 2021Article
Corrections and comments
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Authors and funding
4 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
introductionAim of this CT- based study was to find out a reliable anatomical axis for proper rotational placement of the tibial component during knee replacement surgery in the Indian population. MATERIAL AND
methodsCT scanning was performed pre-operatively on all the 45 patients (13 men, 32 women, total 68 knees) due to undergo knee replacement for osteo-arthritic knees. The tibial anteroposterior (AP) axis is defined as a line drawn perpendicular to the surgical epicondylar femoral axis and passing through the center of posterior cruciate ligament (PCL) attachment. Angles between various anatomic landmarks and the defined tibial AP axis were identified.
resultsThe mean angle between line connecting the medial border of patellar tendon and centre of PCL and the defined tibial AP axis was 0.06 (-5 to 7; SD 2.65) and was closest to defined AP axis of tibia. This axis remained the closest irrespective of the varying femoro-tibial angle and severity of tibial bowing. DISCUSSION: In our patients, the line connecting the medial border of patellar tendon to the centre of the PCL has been found to be an independent, reliable and reproducible rotational axis for placing the tibial trial and definitivite prosthesis. This is particularly helpful for those surgeons, who prepare the femur earlier than the tibial cut and trial.
conclusionThis tibial AP axis along with other anatomical landmarks is a reliable and reproducible landmark for implanting the tibial prosthesis in a proper rotational alignment in the Indian population.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.